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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 6415951080

Certificate GIA 6415951080

Diamond specifications and retailer prices

From $2,634 AUD
As of November 6, 2026
Save $5,031 AUD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,665 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6415951080. Listed at 19 retailers as of November 5, 2026, with prices from $2,634 to $7,665, a $5,031 spread on the same certified stone. NZ Jewellers lists it at $7,665. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6415951080
Dimensions6.33 × 6.25 × 4.00 mm
L/W Ratio1.01
Top View
6.33 mm6.25 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6415951080
Side View
Table 60.0%Crown 35°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,634 AUD|Low: $2,634 AUD|High: $6,500 AUD|Avg: $3,804 AUD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,634 AUD
Retailer 6$2,687 AUD
Retailer 8$3,313 AUD
Retailer 2$3,363 AUD
Retailer 9$3,384 AUD
Retailer 7$3,397 AUD
Retailer 3$3,857 AUD
Retailer 5$4,124 AUD
Retailer 4$6,405 AUD

28 data points across 9 retailers

19 retailers$2,634 AUD to $7,665 AUD

A
Cheapest Retailer
-
$2,634 AUD
A
Retailer 2
-
$2,687 AUD
View
B+
Retailer 3
-
$3,243 AUD
View
B+
Retailer 4
-
$3,313 AUD
View
A
Retailer 5
-
$3,363 AUD
View
B+
Retailer 6
-
$3,384 AUD
View
Final sale: no returns
A
Retailer 7
-
$3,397 AUD
View
Retailer 8
-
$3,481 AUD
View
Price last confirmed 109 days ago
B+
Retailer 9
-
$3,667 AUD
View
B+
Retailer 10
-
$3,726 AUD
View
B+
Retailer 11
-
$3,836 AUD
View
B+
Retailer 12
-
$3,857 AUD
View
B+
Retailer 13
-
$3,867 AUD
View
B+
Retailer 14
-
$4,124 AUD
View
B+
Retailer 15
-
$4,230 AUD
View
B
Retailer 16
-
$5,650 AUD
View
B
Retailer 17
-
$6,405 AUD
View
B
Retailer 18
-
$6,844 AUD
View
Most Expensive
B
NZ Jewellers
0bf9288f-91fa-4ac4-bf02-aa7357af922c · Nov 5
$7,665 AUD
$5,366 USD
View
18 more retailers have this diamond
Prices start from $2,634 AUDSave up to $5,031 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Round
$2,634 AUD